Datasheet > BuckConv> RT8296B

RT8296B

更新时间： 2024-09-24 12:23:39

品牌	Logo	应用领域
立锜 - RICHTEK		转换器
页数	文件大小	规格书
15页	290K
描述
3A, 23V, 1.2MHz Synchronous Step-Down Converter

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RT8296B 数据手册

RT8296B

3A, 23V, 1.2MHz Synchronous Step-Down Converter

General Description

Features

1.5% High Accuracy Feedback Voltage

The RT8296B is a high-efficiency, monolithic synchronous

step-down DC/DC converter that can deliver up to 3A

output current from a 4.5V to 23V input supply. The

RT8296B's current mode architecture and external

compensation allow the transient response to be

optimized over a wide range of loads and output capacitors.

Cycle-by-cycle current limit provides protection against

shorted outputs and soft-start eliminates input current

surge during start-up. Fault conditions also include output

under voltage protection and thermal shutdown protection.

The low current (<3μA) shutdown mode provides output

disconnection, enabling easy power management in

battery-powered systems. The RT8296B is available in

an SOP-8 (Exposed Pad) package.

^z4.5V to 23V Input Voltage Range

^z3A Output Current

^zIntegrated N-MOSFET Switches

^zCurrent Mode Control

^zFixed Frequency Operation : 1.2MHz

^zAdjustable Output from 0.8V to 15V

^zUp to 95% Efficiency

^zProgrammable Soft-Start

^zStable with Low-ESR Ceramic Output Capacitors

^zCycle-by-Cycle Over Current Protection

^zInput Under Voltage Lockout

z Output Under Voltage Protection

z Thermal Shutdown Protection

z RoHS Compliant and Halogen Free

Ordering Information

RT8296B

Applications

Package Type

z External Storage Device

SP : SOP-8 (Exposed Pad-Option 1)

z Wireless AP/Router

Lead Plating System

z Set-Top-Box

G : Green (Halogen Free and Pb Free)

Z : ECO (Ecological Element with

Halogen Free and Pb free)

z Industrial and Commercial Low Power Systems

z LCDMonitors and TVs

z Green Electronics/Appliances

z Point of Load Regulation of High-PerformanceDSPs

H : UVP Hiccup

L : UVP Latch-Off

Note :

Pin Configurations

Richtek products are :

(TOP VIEW)

` RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

` Suitable for use in SnPb or Pb-free soldering processes.

BOOT

VIN

GND

COMP

GND

Marking Information

RT8296BxGSP

SOP-8 (Exposed Pad)

RT8296BxGSP : Product Number

RT8296Bx

x : H or L

GSPYMDNN

YMDNN : Date Code

RT8296BxZSP

RT8296BxZSP : Product Number

x : H or L

RT8296Bx

ZSPYMDNN

YMDNN : Date Code

DS8296B-03 March 2011

www.richtek.com

12 3 4 5 6 7...15

中文翻译

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